Patents by Inventor Shigeki Okumoto

Shigeki Okumoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automotive V-belt
    Patent number: 4534750
    Abstract: An automotive V-belt used for power transmission to drive accessory units to an automotive internal combustion engine. Surface smoothing agent such as wax is dispersed in the inner material of the belt for reducing attachment of dust to the belt surface.
    Type: Grant
    Filed: September 1, 1982
    Date of Patent: August 13, 1985
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Shigeki Okumoto